11017 results about "Reflective layer" patented technology

The invention relates to a preparation method and an application of multistage-spreading heat-dissipation fire-proof heat-insulation composite fabric. The multistage-spreading heat-dissipation fire-proof heat-insulation composite fabric is formed by successively arranging and laminating a metal foil reflection layer, a phase change temperature limitation layer, an interval composite membrane heat-insulation layer and a flame-retardant comfortable layer, wherein the metal foil reflection layer has high reflectivity and an enhanced heat-dissipation function; the phase change temperature limitation layer has functions of high energy consumption absorption and evenly-distributed heat conduction; the interval composite membrane heat-insulation layer has the functions of reflection insulation and even distribution of heat; and the flame-retardant comfortable layer has the functions of low-contact heat conduction, heat insulation and comfort. When the front side of the multistage-spreading heat-dissipation fire-proof heat-insulation composite fabric is under the action of open fire and strong heat flow environment, the back side of the multistage-spreading heat-dissipation fire-proof heat-insulation composite fabric can be kept below 50DEG C which is near the safe temperature state of the human skin, and the integral structural form and the mechanical property are stable. The natural thickness of the composite fabric is 5-15mm, the compression thickness of the composite fabric is 3-8mm, and the square meter quality of the composite fabric is 400-1500g / m<2>. The composite fabric is fire-proof heat-insulation material which is totally sealed, stuck and sewn and can be used for individual protection and environment heat insulation in special high-temperature occasions, such as fire control, military, exploration, safe escape and industry and the like.

An optical interference display unit, at least comprises a light-incidence electrode and a light-reflection electrode located on a transparent substrate. The light-incidence electrode at least comprises a transparent conductive layer and a dielectric layer. The light-reflection electrode at least comprises an absorption layer and a reflective layer.

A collapsible insulated bag designed to allow items retained within an inner pouch thereof to remain within predetermined temperature ranges for predetermined periods of time and wherein the bags are designed to be easily compressed or compacted for storage or shipment to end users. The bags include at least an outer reflective layer, an intermediate open foam layer and the inner pouch layer.

A compact optical system with improved contrast for a head-worn computer includes a light source including a lens with positive optical power positioned within the head-worn computer and adapted to project converging illuminating light towards a partially reflective partially transmissive surface wherein the illuminating light forms a spot with an area smaller than the light source on the partially reflective partially transmissive surface prior to being reflected as diverging illuminating light that passes through a field lens and towards a reflective display. The illuminating light reflects off a surface of the reflective display, forming diverging image light which is transmitted through the field lens and then through the partially reflective partially transmissive surface to a lower display optical system adapted to present the image light to an eye of a user wearing the head-worn computer.

A vertical cavity surface emitting laser (VCSEL) is described using a sub-wavelength grating (SWG) structure that has a very broad reflection spectrum and very high reflectivity. The grating comprises segments of high and low refractive index materials with an index differential between the high and low index materials. By way of example, a SWG reflective structure is disposed over a low index cavity region and above another reflective layer (either SWG or DBR). In one embodiment, the SWG structure is movable, such as according to MEMS techniques, in relation to the opposing reflector to provide wavelength selective tuning. The SWG-VCSEL design is scalable to form the optical cavities for a range of SWG-VCSELs at different wavelengths, and wavelength ranges.